Remark: in 1970s, WHEN usamyanmar.net
developer was in a high school [ TTC, Teacher Training
College, Yangon, Myanmar ], flying dishes
alike aka UFO would be possible, WHEN, looked at 1st LED
digital watches,

but gravity was miss
understood,
but binding energy for light's speed ^ 2 was out of practical,
but mass could not be in carbon nano wall structure,